Home / 14,182.50-21,236.59-9,999.87

Finding the Fourth Proportional to 14,182.50, 21,236.59 and 9,999.87

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Solution

The fourth proportional to 14,182.50, 21,236.59 and 9,999.87 is: 14,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.50 : 21,236.59 = 9,999.87 : x
  2. Step 2: Convert to fraction form
    14,182.50/21,236.59 = 9,999.87/x
  3. Step 3: Cross multiply
    14,182.50x = 21,236.59 × 9,999.87
  4. Step 4: Simplify right side
    14,182.50x = 212,363,139.24
  5. Step 5: Solve for x
    x = 212,363,139.24/14,182.50
  6. Step 6: Final answer
    x = 14,973.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.